Ronald H. Coase, "The Nature of the Firm," Economica NS 4, no. 16 (November 1937): 386-405.
Oliver E. Williamson, "Transaction Cost Economics: The Governance of Contractual Relations," Journal of Law and Economics 22 (October 1979): 233-61. Chapter 12 in Williamson, 1990.
See also: Oliver E. Williamson, "Transaction Cost Economics: An Overview," in Peter G. Klein and Michael E. Sykuta, eds. The Elgar Companion to Transaction Cost Economics (Cheltenham, U.K.: Edward Elgar, 2010), pp. 8-26.
Benjamin Klein, Robert A. Crawford, and Armen A. Alchian, "Vertical Integration, Appropriable Rents, and the Competitive Contracting Process," Journal of Law and Economics 21 (1978): 297-326.
Sanford J. Grossman and Oliver D. Hart, "The Costs and Benefits of Ownership: A Theory of Vertical and Lateral Integration," Journal of Political Economy 94, no. 4 (1986): 691-719.
Armen A. Alchian and Harold Demsetz, "Production, Information Costs, and Economic Organization," American Economic Review 62 (December 1972): 777-95.
Michael Jensen and William Meckling, "Theory of the Firm: Managerial Behavior, Agency Costs, and Capital Structure,"Journal of Financial Economics 3 (October 1976): 305-60.